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Wednesday, November 20th SparkplugAgenda Make game board Unit 3 Review Game Tyriese has blueprints for his future mansion. The scale for the blueprints.

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Presentation on theme: "Wednesday, November 20th SparkplugAgenda Make game board Unit 3 Review Game Tyriese has blueprints for his future mansion. The scale for the blueprints."— Presentation transcript:

1 Wednesday, November 20th SparkplugAgenda Make game board Unit 3 Review Game Tyriese has blueprints for his future mansion. The scale for the blueprints is 1 inch = 6 feet. How many feet would the actual length of the mansion be if it is shown as 8 inches on the blueprints? 1.Write the scale as a ratio. 2.Write a proportion. 3.Solve the proportion.

2 Unit 3 Review Game Ratios and Rates Scale Drawings and Models Proportions Proportional Relationships Percent Proportion Percent of Change

3 Unit 3 Review Game Ratios & Rates Scale Drawings & Models Proportions Proportional Relationships Percent Proportion Percent of Change 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500

4 Ratio & Rates 100 Answer: 3/11 9 Students out of 33 students Express as a fraction in simplest form

5 Ratio & Rates 200 Answer: 3/4 12 hits out of 16 times at bat Express as a fraction in simplest form

6 Ratio & Rates 300 Answer: 5/3 30 hours to 18 hours Express as a fraction in simplest form

7 Ratio & Rates 400 Answer: 1/4 5 quarts to 5 gallons Express as a fraction in simplest form

8 Ratio & Rates 500 Answer: 5/24 10 inches to 4 feet Express as a fraction in simplest form

9 Scale Drawing & Models 100 Answer: 40 On a map of Florida the scale is 1in = 20 mi. If the distance between Tampa and St. Petersburg is 2 inches, how many miles is that?

10 Scale Drawing & Models 200 Answer: 92.8 ft A model airplane is built using a 1:16 scale. On the model, the length of the wing span is 5.8 feet. What is the actual length of the wing?

11 Scale Drawing & Models 300 Answer: 51 feet A builder is designing a swimming pool that is 8.5 inches on the scale drawing. If the scale is 1in = 6ft what is the actual length of the pool?

12 Scale Drawing & Models 400 Answer: 1/48 A set of landscape plans shows a flower bed that is 6.5 inches wide. The scale on the plan is 1 in = 4 ft What is the scale factor?

13 Scale Drawing & Models 500 Answer: 1in = 4 ft A man in a photograph is 1.5 inches in height. If the man is 6 ft tall, what is the scale? Daily Double!

14 Proportions 100 Answer: Yes Determine if the pair of ratios form a proportion: 5.3 2.7 15.9 8.1,

15 Proportions 200 Answer: x = 1.4 Solve the proportion: 7x 459 =

16 Proportions 300 Answer: a = 0.8 Solve the proportion: a4 0.281.4 =

17 Proportions 400 Answer: 5 boxes Solve the proportion: 8 pencils in 2 boxes 20 pencils in x boxes

18 Proportions 500 Answer: y = $25.20 Solve the proportion: y dollars for 5.4 gallons 14 dollars for 3 gallons

19 Proportional Relationships 100 Does the function table below show a proportional relationship? If so, what is the Constant of proportionality? Answer: yes : 5

20 Proportional Relationships 200 Answer: yes : 1 Does the graph show a proportional relationship? If so, what is the constant of proportionality?

21 Proportional Relationships 300 Answer: no Does the graph show a proportional relationship? If so, what is the constant of proportionality?

22 Proportional Relationships 400 Answer: no Does the table below show a proportional relationship? If so, what is the constant of proportionality? Time hours 012345 Paper flowers 01020304550

23 Proportional Relationships 500 Answer: If the constant of proportionality of a situation is equal to 5, how would you write an equation in terms of y and x? y = 5x

24 Percents Proportion 100 Answer: 45% 72 is what percent of 160?

25 Percents Proportion 200 Answer: 50 36 is 72% of what number?

26 Percents Proportion 300 Answer: 126 What is 84% of 150?

27 Percents Proportion 400 Answer: 112 14 is 12½ % of what number?

28 Answer: 411.4 Percents Proportion 500 36 is 8¾% of what number?

29 Percent of Change 100 Answer: 29.7% decrease Find the percent of change from $9.25 to $6.50. State if increase or decrease

30 Percent of Change 200 Find the percent of change from 75 minutes to 100 minutes. State if increase or decrease Answer: 33.3% Increase

31 Percent of Change 300 Answer: 600% Increase Find the percent of change from 15 songs to 105 songs. State if increase or decrease

32 Percent of Change 400 Answer: 5.5 years Using the formula I=prt, determine how long it would take to earn $495 interest on $2,000 invested at a rate of 4.5%

33 Percent of Change 500 Answer: 4.75% Using the formula I=prt, determine the interest rate on $1600 invested for 6 years which earned $456 in interest


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